Wrench



FIG. 1 is a front elevational view thereof, the rear view being a mirror image;

FIG. 2 is a left side elevational view;

FIG. 3 is aright side elevational view;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a top plan view. 

The ornamental design for a wrench, as shown and described. 